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iOS 13 Programming for Beginners

You're reading from   iOS 13 Programming for Beginners Get started with building iOS apps with Swift 5 and Xcode 11

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Product type Paperback
Published in Jan 2020
Publisher Packt
ISBN-13 9781838821906
Length 822 pages
Edition 4th Edition
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Authors (2):
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Craig Clayton Craig Clayton
Author Profile Icon Craig Clayton
Craig Clayton
Ahmad Sahar Ahmad Sahar
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Ahmad Sahar
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Toc

Table of Contents (33) Chapters Close

Preface 1. Section 1: Swift
2. Getting Familiar with Xcode FREE CHAPTER 3. Simple Values and Types 4. Conditionals and Optionals 5. Range Operators and Loops 6. Collection Types 7. Functions and Closures 8. Classes, Structures, and Enumerations 9. Protocols, Extensions, and Error Handling 10. Section 2: Design
11. Setting Up the Basic Structure 12. Building Your App Structure in Storyboard 13. Finishing Up Your App Structure in Storyboard 14. Modifying and Configuring Cells 15. Section 3: Code
16. Getting Started with MVC and Collection Views 17. Getting Data into Collection Views 18. Getting Started with Table Views 19. Getting Started with MapKit 20. Getting Started with JSON Files 21. Displaying Data in a Static Table View 22. Getting Started with Custom UIControls 23. Getting Started with Cameras and Photo Libraries 24. Understanding Core Data 25. Saving and Loading from Core Data 26. Section 4: Features
27. Getting Started with Dark Mode 28. Getting Started with Mac Catalyst 29. Getting Started with SwiftUI 30. Getting Started with Sign In with Apple 31. Testing and Submitting Your App to the App Store 32. Other Books You May Enjoy

Introducing conditionals

At times, you want to execute different code blocks based on a condition, such as in the following scenarios:

  • Choosing between different room types at a hotel. The room price for bigger rooms would be higher.
  • Switching between different payment methods at an online store. Procedures for different payment methods would be different.
  • Deciding what to order at a fast-food restaurant. Preparation procedures for each food item would be different.

To do this, you would use conditionals. In Swift, this is implemented using if and switch statements. Let's take a look at them now.

For more information on conditionals, visit https://docs.swift.org/swift-book/LanguageGuide/ControlFlow.html.

Using if statements

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